WorksheetsChemistry Review
Total questions: 47
Worksheet time: 35mins
Name
Class
Date
1.
A ___________ is an arrangement of elements in columns
a)
columns
b)
rows
c)
periodic table
d)
electron shell
2.
Each column in the periodic table is called a
a)
period
b)
group
c)
cluster
d)
unit
3.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
4.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
5.
The atoms along the staircase are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
6.
A vertical column in the periodic table. Elements share similar properties.
a)
row
b)
group
c)
period
7.
A horizontal row of elements in the periodic table.
a)
column
b)
group
c)
period
8.
The simplest substance is..?
a)
Carbon
b)
An element
c)
Water
d)
A simple compound
9.
A proton is....
a)
A negatively charged subatomic particle
b)
A positively charged subatomic particle
c)
A neutrally charged subatomic particle
d)
The only subatomic particle located in the nucleus
10.
A neutron has a charge of
a)
+2
b)
No charge
c)
-1
d)
+1
11.
How did Mendeleev arrange the elements?
a)
alphabetical
b)
density
c)
melting point
d)
atomic mass
12.
Which of the following is the most metallic element in period 3?
a)
Boron (B)
b)
Sodium (Na)
c)
Argon (Ar)
d)
Silicon (Si)
13.
The number at the bottom of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
chemical symbol
d)
element name
14.
The number at the top of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
Chemical Symbol
d)
Element Name
15.
What is the chemical symbol for Lithium?
a)
H
b)
He
c)
Li
d)
N
16.
How many elements follow the periodic law?
a)
7
b)
98
c)
110
d)
All of them
17.
Most of the elements on the periodic table are classified as _____.
a)
Metals
b)
Nonmetals
c)
Metalloids
d)
Periods
18.
The yellow atoms are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
19.
How many electrons does Oxygen need to fill its outer shell?
a)
3
b)
4
c)
1
d)
2
20.
The period for Bromine is ___________.
a)
3
b)
2
c)
4
21.
Beryllium is in group number______.
a)
Group 2
b)
Group 3
c)
Group 4
d)
Group 7
22.
An element's identity is determined by the number of
a)
electrons.
b)
protons.
c)
neutrons.
d)
valence.
23.
The majority of elements on the periodic table are
a)
man made.
b)
nonmetals.
c)
metals.
d)
gases.
24.
What period and group is Silver (Ag)?
a)
Period 2, Group 1
b)
Period 3, Group 16
c)
Period 5, Group 11
d)
Period 2, 14
25.
Which of the following is not a property of metals?
a)
brittle
b)
malleable
c)
lustrous
d)
conductive
26.
How many electrons do atoms need to be stable?
a)
1
b)
2
c)
6
d)
8
27.
Which 2 Subatomic Particles make up the Nucleus of atoms?
a)
Protons & Electrons
b)
Neutrons & Electrons
c)
Protons & Neutrons
28.
Electrons have a _______ electrical charge.
a)
Positive (+)
b)
Neutral (No Charge)
c)
Negative (-)
29.
Elements located to the right of the ZigZag line are
a)
Non-Metals
b)
Metals
c)
Metalloids
d)
Periods
30.
In this picture, the Electrons are found in which color?
a)
Blue
b)
Red
c)
Green
31.
Neutrons have a __________ electrical charge.
a)
Positive (+)
b)
Negative (-)
c)
Neutral (No Charge)
32.
Matter in the universe is made from atoms. Atoms make up these pure substances that cannot be broken down into a simpler form.
a)
Compounds
b)
Elements
c)
Molecules
d)
Periodic Table
33.
Matter in the universe is made from atoms. Atoms make up these pure substances that cannot be broken down into a simpler form.
a)
Compounds
b)
Elements
c)
Molecules
d)
Periodic Table
34.
How many shells/levels does this atom have?
a)
1
b)
2
c)
3
d)
4
35.
Each element on the Periodic Table has its own different (unique) ____.
a)
Family
b)
Atom
c)
Period
d)
Metalloid
36.
An Element's _____ _____ refers to just the number of Protons in the Nucleus.
a)
Atomic Mass
b)
Atomic Number
c)
Subatomic Particle
37.
Which Period would this element be found on just by looking at the shells/levels?
a)
1
b)
2
c)
3
d)
4
38.
An Element's ______ ______ is made up of Protons & Neutrons
a)
Atomic Number
b)
Atomic Mass
c)
Period Number
d)
Family Group
39.
The Element Symbol for Sodium is
a)
Mg
b)
Na
c)
Au
d)
Cl
40.
How many atoms TOTAL does the compound CO2 have?
a)
1
b)
2
c)
3
d)
4
41.
_________ must have at least 2 or more different atoms/elements.
a)
Compounds
b)
Molecules
c)
Elements
d)
Protons
42.
What is the element symbol for Carbon?
a)
Co
b)
C
c)
Ca
d)
Cu
43.
What is the Atomic Mass of Carbon?
a)
6
b)
C
c)
12.01
44.
What is the Atomic Number for the element Copper?
a)
Cu
b)
Copper
c)
63.5
d)
29
45.
Which element symbol is NOT written correctly?
a)
Fe
b)
H
c)
al
d)
Ne
46.
Which is an example of a Molecule and NOT a Compound?
a)
CO2
b)
N2
c)
H2O
d)
Fe2O3
47.
The smallest units of matter in the universe are
a)
Molecules
b)
Compounds
c)
Elements
d)
Atoms
100 %
